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amr mohamed
 
 


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PostSubject: Electrical Current   Tue 16 Nov 2010, 3:51 am

Electrical Current


Electric charge can move freely through the items or articles connected to electricity, such as iron, copper, aluminum .. The insulators are materials that can not pass the electrical charge such as air or glass or plastic



Power supply is disconnected




When you plug the power



Sale of these shipments is called an electric current, which is measured by unit called the ampere is relative to the French scientist André Marie Ampère, and who had worked on the study of the impact of magnet years (1775-1836)





And the definition of ampere is the flow of one Coulomb One coulomb per second

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